Darcy and Fitzwilliam Series by Karen V. Wasylowski

A gentleman in love cannot survive without his best friend... Fitzwilliam Darcy and Colonel Fitzwilliam couldn't be more different, and that goes for the way each one woos and pursues the woman of his dreams. Darcy is quiet and reserved, careful and dutiful, and his qualms and hesitations are going to torpedo his courtship of Elizabeth... moreA gentleman in love cannot survive without his best friend... Fitzwilliam Darcy and Colonel Fitzwilliam couldn't be more different, and that goes for the way each one woos and pursues the woman of his dreams. Darcy is quiet and reserved, careful and dutiful, and his qualms and hesitations are going to torpedo his courtship of Elizabeth. His affable and vivacious cousin, Colonel Fitzwilliam is a military hero whose devil-may-care personality hides the torments within, until he finds himself in a passionate, whirlwind affair with a beautiful widow who won't hear of his honorable intentions. Cousins, best friends, and sparring partners, Darcy and Fitzwilliam have always been there for each other. So it's no surprise when the only one who can help Darcy fix his botched marriage proposals is Fitzwilliam, and the only one who can pull Fitzwilliam out of an increasingly dangerous entanglement is Darcy... less

"""Sons & Daughters"" is Book Two of the romantic, charming and very funny continuation of ""Pride and Prejudice"" that began with ""Darcy & Fitzwilliam"". Mr. Darcy, and his cousin, Colonel Fitzwilliam, are life-long best friends and competitors, whether for the hand of Elizabeth Bennet or for who can avoid Aunt Catherine the longest... more"""Sons & Daughters"" is Book Two of the romantic, charming and very funny continuation of ""Pride and Prejudice"" that began with ""Darcy & Fitzwilliam"". Mr. Darcy, and his cousin, Colonel Fitzwilliam, are life-long best friends and competitors, whether for the hand of Elizabeth Bennet or for who can avoid Aunt Catherine the longest. A Pride and Prejudice family saga in the making, in Sons & Daughters we follow the children from infancy to adulthood, with all the terrors in between - unrequited love, mistaken romance, French pornography, parents who just don't understand about love, and children who want to grow up much too fast. ""Laugh until your sides ache and then laugh some more..."" Sons & Daughters will make you laugh and cry...just like life does." less

The Darcy and Fitzwilliam families return as Colonel Fitzwilliam's volatile, passionate son, Matthew, confronts the woman he loved and lost years before to his rival... while his twin brother, Mark, the more steady of the two, decides to give up waiting for love to find him and settle in marriage with an old friend. As always nothing turns out as planned with the loves, laughs, tears and surprises of life pushing and pulling the families in directions they never saw coming.